@article {683,
	title = {Campagne de la "Calypso": Golfe de Guinee 7. Sipunculoidea and Echiuroidea},
	journal = {Resultats Scientifiques des Campagnes de la "Calypso"},
	volume = {4},
	year = {1959},
	pages = {207-217},
	author = {Wesenberg-Lund, E.}
}
@inbook {638,
	title = {Classe des sipunculiens},
	booktitle = {Traite de Zoologie. Anatomie, Systematique, Biologie},
	year = {1959},
	publisher = {Masson et Editeurs},
	organization = {Masson et Editeurs},
	address = {Paris},
	author = {Tetry, A.},
	editor = {Grasse, P. P.}
}
@article {684,
	title = {Sipunculoidea and Echiuroidea from Mauritius},
	journal = {Videnskabelige Meddelelser Dansk fra Naturhistorisk Forening i Kjobenhavn},
	volume = {121},
	year = {1959},
	pages = {53-73},
	author = {Wesenberg-Lund, E.}
}
@article {682,
	title = {Sipunculoidea and Echiuroidea from Tropical West Africa},
	journal = {Atlantide Report},
	volume = {5},
	year = {1959},
	pages = {177-210},
	author = {Wesenberg-Lund, E.}
}
